Move to unified builder as default

The previous building scripts and patches will be moved to legacy

linux-tkg-patches/5.9/0013-remove-debian-deps-cross.patch

@@ -0,0 +1,25 @@
+From 6368e2994fb1d82dd159f6b5ef021adaf92912a4 Mon Sep 17 00:00:00 2001
+From: Hyper-KVM <hyperkvmx86@gmail.com>
+Date: Mon, 12 Oct 2020 21:05:18 -0400
+Subject: [PATCH] scripts/mkdebian: remove build depends
+
+---
+ scripts/package/mkdebian | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
+index 48fbd3d0284a..c0f93dd33d74 100755
+--- a/scripts/package/mkdebian
++++ b/scripts/package/mkdebian
+@@ -174,7 +174,7 @@ Source: $sourcename
+ Section: kernel
+ Priority: optional
+ Maintainer: $maintainer
+-Build-Depends: bc, rsync, kmod, cpio, bison, flex | flex:native $extra_build_depends
++Build-Depends:
+ Homepage: https://www.kernel.org/
+ 
+ Package: $packagename
+-- 
+2.28.0
+